/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package com.sun.org.apache.xml.internal.security.keys.content.x509;

import java.math.BigInteger;
import java.security.cert.X509Certificate;

import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException;
import com.sun.org.apache.xml.internal.security.utils.Constants;
import com.sun.org.apache.xml.internal.security.utils.RFC2253Parser;
import com.sun.org.apache.xml.internal.security.utils.SignatureElementProxy;
import com.sun.org.apache.xml.internal.security.utils.XMLUtils;
import org.w3c.dom.Document;
import org.w3c.dom.Element;

public class XMLX509IssuerSerial extends SignatureElementProxy implements XMLX509DataContent {

  /**
   * {@link org.apache.commons.logging} logging facility
   */
  private static java.util.logging.Logger log =
      java.util.logging.Logger.getLogger(XMLX509IssuerSerial.class.getName());

  /**
   * Constructor XMLX509IssuerSerial
   */
  public XMLX509IssuerSerial(Element element, String baseURI) throws XMLSecurityException {
    super(element, baseURI);
  }

  /**
   * Constructor XMLX509IssuerSerial
   */
  public XMLX509IssuerSerial(Document doc, String x509IssuerName, BigInteger x509SerialNumber) {
    super(doc);
    XMLUtils.addReturnToElement(this.constructionElement);
    addTextElement(x509IssuerName, Constants._TAG_X509ISSUERNAME);
    addTextElement(x509SerialNumber.toString(), Constants._TAG_X509SERIALNUMBER);
  }

  /**
   * Constructor XMLX509IssuerSerial
   */
  public XMLX509IssuerSerial(Document doc, String x509IssuerName, String x509SerialNumber) {
    this(doc, x509IssuerName, new BigInteger(x509SerialNumber));
  }

  /**
   * Constructor XMLX509IssuerSerial
   */
  public XMLX509IssuerSerial(Document doc, String x509IssuerName, int x509SerialNumber) {
    this(doc, x509IssuerName, new BigInteger(Integer.toString(x509SerialNumber)));
  }

  /**
   * Constructor XMLX509IssuerSerial
   */
  public XMLX509IssuerSerial(Document doc, X509Certificate x509certificate) {
    this(
        doc,
        x509certificate.getIssuerX500Principal().getName(),
        x509certificate.getSerialNumber()
    );
  }

  /**
   * Method getSerialNumber
   *
   * @return the serial number
   */
  public BigInteger getSerialNumber() {
    String text =
        this.getTextFromChildElement(Constants._TAG_X509SERIALNUMBER, Constants.SignatureSpecNS);
    if (log.isLoggable(java.util.logging.Level.FINE)) {
      log.log(java.util.logging.Level.FINE, "X509SerialNumber text: " + text);
    }

    return new BigInteger(text);
  }

  /**
   * Method getSerialNumberInteger
   *
   * @return the serial number as plain int
   */
  public int getSerialNumberInteger() {
    return this.getSerialNumber().intValue();
  }

  /**
   * Method getIssuerName
   *
   * @return the issuer name
   */
  public String getIssuerName() {
    return RFC2253Parser.normalize(
        this.getTextFromChildElement(Constants._TAG_X509ISSUERNAME, Constants.SignatureSpecNS)
    );
  }

  /**
   * @inheritDoc
   */
  public boolean equals(Object obj) {
    if (!(obj instanceof XMLX509IssuerSerial)) {
      return false;
    }

    XMLX509IssuerSerial other = (XMLX509IssuerSerial) obj;

    return this.getSerialNumber().equals(other.getSerialNumber())
        && this.getIssuerName().equals(other.getIssuerName());
  }

  public int hashCode() {
    int result = 17;
    result = 31 * result + getSerialNumber().hashCode();
    result = 31 * result + getIssuerName().hashCode();
    return result;
  }

  /**
   * @inheritDoc
   */
  public String getBaseLocalName() {
    return Constants._TAG_X509ISSUERSERIAL;
  }
}
